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The EtherSwitch 1420 and1220 can be managed in-band through any SNMP-compatible workstation or through Telnet. They support standard SNMP MIB II objects as well as SNMP extensions designed to maximize the switches' manageability and configurability.
The complete set of objects are listed by function in the "Standard MIBs and MIB Extensions" section in this chapter. These MIB objects and other SNMP-based management techniques are described in a separate manual, the EtherSwitch 1420 and EtherSwitch 1220 MIB Reference Manual, available on Cisco Connection Documentation, CiscoPro Solutions CD, formerly called the UniverCD for CiscoPro.
You can use any Telnet TCP/IP package to invoke the management console. The EtherSwitch 1420 and 1220 support up to seven simultaneous Telnet sessions. See the "Out-of-Band Management" chapter for details on the use of the management console.
Before beginning, the EtherSwitch 1420 and 1220 must be configured for SNMP management. To do this, you must assign an IP address to the switch using the IP Configuration Menu, described in the "IP Configuration" section in the "Out-of-Band Management" chapter. You can also use the Bootstrap protocol (BOOTP) described in the "Configuring the Switch for SNMP Management with BOOTP" section in this chapter.
The switch must be configured with an IP address before it can make available any in-band management. You can assign an individual address to each EtherSwitch 1420 or 1220, or you can use the BOOTP protocol to maintain a centralized database of such addresses.
A host machine with a BOOTP server program is needed to use BOOTP. A database containing a list of physical MAC addresses and corresponding IP addresses must be set up on this host. Other information, such as the corresponding subnet masks, default gateway addresses, and host names, can also be stored in the database but are optional. The switch must be able to access the BOOTP server through one of its ports.
After a system reset, the switch looks into its non-volatile random access memory (NVRAM) for a configured IP address, and if that exists, looks for a default gateway address and IP subnet mask.
If an IP address has not been configured, the switch transmits a BOOTP broadcast request to all of its ports having a physical connection, requesting a mapping for its physical MAC address. A valid response includes the IP address, which is mandatory, along with the subnet mask, the default gateway, and the host name, which are all optional.
The reception of a valid BOOTP response immediately activates the rest of the system's protocol suite, without requiring a system reset. The information is also saved in the NVRAM so that the next reset will not have to redeploy BOOTP.
As long as its IP address remains undiscovered, the switch will re-send BOOTP requests for 30 minutes.
For more information about using BOOTP, refer to the BOOTP server documentation.
The following pages list the actions you use to manage and configure a EtherSwitch 1420 or 1220 and the MIB objects associated with each action. A complete description of the objects, their defaults, and possible values is included in the EtherSwitch 1420 and EtherSwitch 1220 MIB Reference Manual available from Cisco Systems.
The following five supported MIBs are listed in Tables 6-1 through 6-5:
| Action | Associated MIB Objects |
| View Self Test Results | sysInfoPOSTResult sysInfoPOSTPortFailedPostMap |
| View System Information | sysInfoFwdEngineRevision sysInfoBoardRevision sysInfoTotalNumberOfPorts sysInfoNumberOfSwitchPorts sysInfoNumberOfInstalledModules sysInfoNumberofSwitchPorts sysInfoNumberOfSharedPorts sysInfoAddrCapacity sysInfoRestrictedStaticAddrCapacity |
| View/Configure RS-232 Port for an Attached Modem | netMgmtModemInitString netMgmtModemAutoAnswer netMgmtModemDialString netMgmtModemDialDelay |
| Action | Associated MIB Objects |
| View/Configure Logon Security | netMgmtConsolePasswordThresh netMgmtConsoleSilentTime netMgmtConsoleInactTime |
| View/Configure Switching Mode | sysConfigSwitchingMode sysConfigMulticastStoreAndForward |
| View/Configure Port Monitoring Mode | sysConfigMonitor sysConfigMonitorPort sysConfigHigherProtocolMonitor swPortMonitoring |
| View/Configure Virtual LAN Information | vlanMaxSupported vlanAllowMembershipOverlap |
| View/Configure Virtual LAN Membership | vlanIndex vlanName vlanMemberPorts vlanMemberIndex vlanMemberPortIndex vlanMemberPortOfVlan |
| View/Configure Address Security | swPortAddressingSecurity swPortAddressTableSize swPortSecuredAddressViolations sysConfigAddressViolationAlert sysConfigAddressViolationAction |
| View/Configure Performance Information | sysInfoBuffersUsed sysInfoMaxBuffers sysInfoUtilDisplay swPortTxQueueFullDiscards swPortRxNoBufferDiscards bandwidthUsageCurrent bandwidthUsageMaxPeakEntries bandwidthUsagePeakInterval bandwidthUsagePeakRestart bandwidthUsageCurrentPeakEntry bandwidthUsagePeakIndex bandwidthUsageStartTime bandwidthUsagePeak bandwidthUsagePeakTime |
| Action | Associated MIB Objects |
| View/Configure Broadcast Storm Control | SysInfoBroadcastStormLastTime SysInfoPortExceedBroadcastStorm SysConfigBroadcastStormAction SysConfigBroadcastStormAlert SysConfigBroadcastThreshold SysConfigBroadcastReEnableThreshold |
| View RPS State | SysInfoRedundantPowerState SysInfoInternalPowerState |
| View/Configure Port Characteristics | swPortIndex swPortName swPortMediaCapability swPortControllerRevision swPortMtu swPortSpeed swPortConnectorType swPortFullDuplex swPortBroadcastStormControlBlocked |
| View/Configure Port Address Status | swPortNumberOfLearnedAddresses swPortNumberOfStaticAddresses swPortEraseAddresses swPortFloodUnregisteredMulticasts swPortFloodUnknownUnicasts |
| View/Configure Port Status | swPortStatus swPortAdminStatus swPortLastStatus swPortStatusChanges swPortLinkbeatStatus swPortLinkbeatLosses swPortJabberStatus swPortJabbers |
| Action | Associated MIB Objects |
| View Port Receive Statistics | swPortRxStatIndex swPortRxTotalOctets swPortRxTotalOctetsWraps swPortRxTotalFrames swPortRxUnicastFrames swPortRxUnicastOctets swPortRxUnicastOctetsWraps swPortRxBroadcastFrames swPortRxBroadcastOctets swPortRxBroadcastOctetsWraps swPortRxMulticastFrames swPortRxMulticastOctets swPortRxMulticastOctetsWraps swPortRxForwardedFrames swPortRxFilteredFrames swPortRxNoBufferDiscards swPortRxFCSErrors swPortRxAlignmentErrors swPortRxFrameTooLongs swPortRxRunts |
| Action | Associated MIB Objects |
| View Port Transmit Statistics | swPortTxStatIndex swPortTxTotalOctets swPortTxTotalOctetsWraps swPortTxTotalFrames swPortTxUnicastFrames swPortTxUnicastOctets swPortTxUnicastOctetsWraps swPortTxBroadcastFrames swPortTxBroadcastOctets swPortTxBroadcastOctetsWraps swPortTxMulticastFrames swPortTxMulticastOctets swPortTxMulticastOctetsWraps swPortTxDeferrals swPortTxSingleCollisions swPortTxMultipleCollisions swPortTxLateCollisions swPortTxExcessiveCollisions swPortTxExcessiveDeferrals swPortTxExcessiveCollisions16s swPortTxExcessiveCollisions4s swPortTxQueueFullDiscards swPortTxErrors |
| View/Configure Collision Histograms | swPortTxCollIndex swPortTxCollCount swPortTxCollFrequencies |
| View/Configure Spanning-Tree Protocol | sysConfigEnableSTP |
| View/Configure for In-Band Management | netMgmtIpAddress netMgmtDefaultGateway netMgmtIpSubnetMask vlanIpAddress vlanIpSubnetMask |
| View/Configure Set Clients | netMgmtSetClientIndex netMgmtSetClientAddr netMgmtSetClientStatus |
| Action | Associated MIB Objects |
| View/Configure Trap Clients and Traps | netMgmtTrapClientIndex netMgmtTrapClientAddr netMgmtTrapClientComm netMgmtTrapClientStatus netMgmtEnableLinkTraps netMgmtEnableAuthenTraps |
| View/Configure Firmware Upgrades | upgradeFlashSize upgradeFlashBankStatus upgradeTFTPServerAddress upgradeTFTPLoadFilename upgradeTFTPInitiate upgradeTFTPAccept |
| Reset System | sysConfigReset sysConfigDefaultReset |
| Clear Port Statistics | sysConfigClearPortStats swPortClearStatistics |
This MIB applies to the EtherSwitch 1420 only.
| Action | Associated MIB Objects |
| View/Configure High-Speed Modules | esModuleCapacity esModuleIndex esModuleStatus esModuleAdminStatus esModuleDescr esModuleID esModuleVersion esModuleObjectID esModulePortCapacity esModuleReset esModuleLastStatusChange esModuleCollisionPeriods esModulePortTable esModulePortIndex esModulePortDescr esModulePortAdminStatus esModulePortAutoPartitionState esModulePortOperStatus esModulePortLinkbeatStatus esModulePortConnectorType esModulePortReceivePeriods |
| Action | Associated MIB Objects |
| View FDDI POST Results | fmCfgPOSTResult fmCfgPOSTTest fmCfgPOSTLoopbackResult |
| Reset FDDI Module | fmCfgResetToFactoryDefaults fmCfgResetModule |
| View/Configure FDDI to Ethernet Frame Translation | fmCfgNovellFDDISNAPTranslation fmCfgUnmatchedSNAPDestination |
| View/Configure SMT Authorization | fmCfgAuthorizationChecking fmCfgAuthorizationString |
| View FDDI Module Firmware Status | fmCfgFirmwareVersion fmCfgBOOTCodeVersion fmCfgFlashStatus |
| View FDDI Translation to FDDI | fmXlateToFDDIIndex fmXlateToFDDINovellRaw8023ToSnapFrames fmXlateToFDDINovellEthIIToSnapFrames fmXlateToFDDINovellSnapToSnapFrames fmXlateToFDDIEthIIToBridgeTunnelFrames fmXlateToFDDIEthIIToSnapFrames fmXlateToFDDIOtherSnapToSnapFrames fmXlateToFDDI8022To8022Frames |
| View FDDI Frame Filtering Statistics | fmFilterIndex fmFilterFcsInvalidFrames fmFilterDataLengthFrames fmFilterErrorIndFrames fmFilterFddiFifoOverrunFrames fmFilterFddiInternalErrorFrame fmFilterNoEndDelimitFrames fmFilterNoBufferSpaceFrames fmFilterNoLlcHeaderFrames fmFilterSourceRouteFrames fmFilterNoSnapHeaderFrames fmFilterTooLargeFrames fmFilterNovellSnapFilteredFrames fmFilterCantFragmentFrames fmFilterBadIpHeaderFrames fmFilterRingDownDiscards fmFilterNovellOtherFilteredFrames |
| View FDDI Performance Information | fmFilterNoBufferSpaceFrames fmCfgUnmatchedSNAPDestination |
| Action | Associated MIB Objects |
| View FDDI Translation to Ethernet Statistics | fmXlateToEthIndex fmXlateToEthNovellSnapToRaw8023Frames fmXlateToEthNovellSnapToEthIIFrames fmXlateToEthNovellSnapToSnapFrames fmXlateToEthAppleTalkSnapToSnapFrames fmXlateToEthIpSnapForFragmentationFrames fmXlateToEthIpSnapFragmentedFrames fmXlateToEthBridgeTunnelToEthIIFrames fmXlateToEthOtherSnapToEthIIFrames fmXlateToEthOtherSnapToSnapFrames fmXlateToEth8022To8022Frames |
| Action | Associated MIB Objects |
| View Spanning-Tree Protocol Status | dot1dStpTimeSinceTopologyChange dot1dStpTopChanges dot1dStpDesignatedRoot dot1dStpMaxAge dot1dStpHelloTime dot1dStpHoldTime dot1dStpFowardDelay dot1dStpProtocolSpecification dot1dStpRootCost dot1dStpRootPort |
| View/Configure Spanning-Tree Protocol Parameters when this Bridge is Acting as Root | dot1dBridgeHelloTime dot1dBridgeMaxAge dot1dBridgeForwardDelay |
| View/Configure Spanning-Tree Protocol Parameters | dot1dStpPriority |
| Action | Associated MIB Objects |
| View/Configure Per Port Spanning-Tree Protocol Status | dot1dStpPortPriority dot1dStpPortState dot1dStpPortEnable dot1dStpPortPathCost dot1dStpPortDesignatedRoot dot1dStpPortDesignatedCost dot1dStpPortDesignatedBridge dot1dStpPortDesignatedPort dot1dStpPortForwardTransitions |
| View/Configure Address Aging Parameters | dot1dTpLearnedEntryDiscards dot1dTpAgingTime |
| View/Configure the Forwarding Database of the Bridge | dot1dTpFdbAddress dot1dTpFdbPort dot1dTpFdbStatus |
| View/Configure the Static Address Table | dot1dStaticAddress dot1dStaticReceivePort dot1dStaticAllowedToGoTo dot1dStaticStatus |
This MIB applies to the EtherSwitch 1420 only.
| Action | Associated MIB Objects |
| View SMT Information | fddimibSMTStationId fddimibSMTOpVersionId fddimibSMTMIBVersionId fddimibSMTMACCts fddimibSMTNonMasterCts fddimibSMTConnectionPolicy fddimibSMTBypassPresent fddimibSMTECMState fddimibSMTCFState fddimibSMTRemoteDisconnectFlag fddimibSMTStationStatus |
| Action | Associated MIB Objects |
| View MAC Traffic Statistics | fddimibMACFrameCts fddimibMACCopiedCts fddimibMACTransmitCts fddimibMACErrorCts fddimibMACLostCts fddimibMACTokenCts fddimibMACTvxExpiredCts fddimibMACNotCopiedCts fddimibMACLateCts fddimibMACRingOpCts fddimibMACNotCopiedRatio fddimibMACNotCopiedFlag |
| View PORT Information | fddimibPORTMyType fddimibPORTNeighborType fddimibPORTConnectionPolicies fddimibPORTCurrentPath fddimibPORTAvailablePaths fddimibPORTPMDClass fddimibPORTLCTFailCts fddimibPORTLemRejectCts fddimibPORTLemCts fddimibPORTPCMState |
| View/Configure SMT Information | fddimibSMTNotify |
| View MAC Information | fddimibMACFrameStatusFunctions fddimibMACAvailablePaths fddimibMACUpstreamNbr fddimibMACDownstreamNbr fddimibMACOldUpstreamNbr fddimibMACOldDownstreamNbr fddimibMACDownstreamPORTType fddimibMACTReq fddimibMACTNeg fddimibMACFrameErrorThreshold |
| Action | Associated MIB Objects |
| View RS-232 Port Input/Output Signals | rs232InSigPortIndex rs232InSigName rs232InSigState rs232InSigChanges rs232OutSigPortIndex rs232OutSigName rs232OutSigState rs232OutSigChanges |
| View/Configure RS-232 Port Characteristics | rs232Number rs232PortIndex rs232PortType rs232PortInSigNumber rs232PortOutSigNumber rs232PortInSpeed rs232PortOutSpeed |
| View/Configure RS-232 Async Port Characteristics | rs232AsyncPortIndex rs232AsyncPortBits rs232AsyncPortStopBits rs232AsyncPortParity rs232AsyncPortAutobaud |
| View RS-232 Async Port Statistics | rs232AsyncPortParityErrs rs232AsyncPortFramingErrs rs232AsyncPortOverrunErrs |
A trap client is a management workstation configured to receive and process traps. The EtherSwitch 1420 or 1220 supports up to four trap clients with separate community strings. At least one trap client must be defined before any traps are generated. See the "Network Management (SNMP) Configuration" section in the "Out-of-Band Management" chapter for instructions on defining trap clients. See the "Standard MIBs and MIB Extensions" section in this chapter for the MIB objects to use.
The EtherSwitch 1420 or 1220 can generate the following traps:
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